The adventure on the earth

Medal in the contest the spine in 1999
For win the pieces of your puzzle-earth .
Answer to questions relating to the earth or to the universe...
FOR SMALL AND THE CURIOUS...
The subjects discussed are many:
Landscape, desert, ice, tornadoes, rain. the colors of the rainbow, meteorites, and the planets.
To move forward, use your precious stone,
(rock crystal, amethyst, aventurine, carnelian...etc
Then try not to fall into the traps which require you to backtrack.
A family game and ecological sympathetic you will discover a crowd of physical phenomena often ignored.